Shoring retaining wall failure in Virginia prompts apartment building evacuation

Keynetix are pleased to announce that as a result of the recent success of the KeyLAB program, Peter Keeton has joined Keynetix to further strengthen the KeyLAB team. Peter has over 40 years of experience working in and managing geotechnical laboratories for Soil Mechanics and has been an influential member of the CEN European standards working group on geotechnical testing. [Editor] Click through for the rest of the press release from Keynetix. [/Editor]

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The City of Vancouver is suing a developer, excavation contractor and their consulting engineer for the costs of repairs, overtime for city employees and lost revenue from parking meters etc stemming from an apparent failure of a shoring system that formed a 30-meter sinkhole. No mention of the developer’s name or the engineer, but the contractor was Matcon Excavation and Shoring. The site will be the future home of high-rise condominiums…if the City lifts it’s stop work order.

The failure of the shoring caused a break inf a 20-cm water main ultimately flooding the site. It also necessitated the closure of the adjacent street. Of course this invites the whole chicken or the egg scenario. The defendants will probably argue that the water line failed first causing the failure of the shoring, but of course the City Engineer, Tom Timm was not shy about fingering the shoring as being deficient.

"It’s some kind of a failure of the shoring system . . . either a design issue or the way it was put in place."

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As I’ve reported previously, the State of Utah is in the process of adopting ordinances regulating the development of land that is susceptible to landslides and other geologic hazards. A new bill has been introduced in the Utah House that would give developers a recourse for appeal if they don’t like the decision of a local jurisdiction. More at the Salt Lake Tribune.

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